[haiku-commits] r34053 - haiku/trunk/src/bin/package
- From: ingo_weinhold@xxxxxx
- To: haiku-commits@xxxxxxxxxxxxx
- Date: Sun, 15 Nov 2009 09:39:45 +0100 (CET)
Author: bonefish
Date: 2009-11-15 09:39:45 +0100 (Sun, 15 Nov 2009)
New Revision: 34053
Changeset: http://dev.haiku-os.org/changeset/34053/haiku
Modified:
haiku/trunk/src/bin/package/DataReader.cpp
haiku/trunk/src/bin/package/DataReader.h
Log:
Added AttributeDataReader, a DataReader implementation for attributes.
Modified: haiku/trunk/src/bin/package/DataReader.cpp
===================================================================
--- haiku/trunk/src/bin/package/DataReader.cpp 2009-11-15 08:37:22 UTC (rev
34052)
+++ haiku/trunk/src/bin/package/DataReader.cpp 2009-11-15 08:39:45 UTC (rev
34053)
@@ -10,7 +10,9 @@
#include <string.h>
#include <unistd.h>
+#include <fs_attr.h>
+
// #pragma mark - DataReader
@@ -39,6 +41,30 @@
}
+// #pragma mark - AttributeDataReader
+
+
+AttributeDataReader::AttributeDataReader(int fd, const char* attribute,
+ uint32 type)
+ :
+ fFD(fd),
+ fType(type),
+ fAttribute(attribute)
+{
+}
+
+
+status_t
+AttributeDataReader::ReadData(off_t offset, void* buffer, size_t size)
+{
+ ssize_t bytesRead = fs_read_attr(fFD, fAttribute, fType, offset, buffer,
+ size);
+ if (bytesRead < 0)
+ return errno;
+ return (size_t)bytesRead == size ? B_OK : B_ERROR;
+}
+
+
// #pragma mark - BufferDataReader
Modified: haiku/trunk/src/bin/package/DataReader.h
===================================================================
--- haiku/trunk/src/bin/package/DataReader.h 2009-11-15 08:37:22 UTC (rev
34052)
+++ haiku/trunk/src/bin/package/DataReader.h 2009-11-15 08:39:45 UTC (rev
34053)
@@ -30,6 +30,21 @@
};
+class AttributeDataReader : public DataReader {
+public:
+
AttributeDataReader(int fd,
+ const
char* attribute, uint32 type);
+
+ virtual status_t ReadData(off_t offset, void*
buffer,
+ size_t
size);
+
+private:
+ int fFD;
+ uint32 fType;
+ const char* fAttribute;
+};
+
+
class BufferDataReader : public DataReader {
public:
BufferDataReader(const void* data, size_t size);
Other related posts:
- » [haiku-commits] r34053 - haiku/trunk/src/bin/package - ingo_weinhold
